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5e1bfb277d
Pointer dev_priv->mmio, which was checked for NULL at via_do_init_map(),
is passed to via_do_cleanup_map() and is dereferenced there without check.
The patch adds the condition in via_dma_cleanup() which prevents potential NULL
pointer dereference.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes:
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.. | ||
Makefile | ||
via_3d_reg.h | ||
via_dri1.c |